drive lens marker's formula
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Explanation:
A lens maker formula may be defined as the formula which gives the relationship for calculating focal length(f) in term of Radii of the two curvatures of lens that is R1 and R2 and the refractive index of lens and surrounding.
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Answer:
Explanation:
1/f ={ u - 1} {1/R - 1/R2}
where u is equal to refractive index
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